package org.learn.test;

public class TwoDimensionalArray02 {
    public static void main(String[] args) {
        int[][] arr = {{4,6,},{1,4,5,7,},{-2}};
        int sum = 0;
        for(int i = 0; i < arr.length; i++){
            for(int j = 0; j < arr[i].length; j++){
                sum += arr[i][j];
            }
        }
        System.out.println("sum=" + sum);

    }
}
